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28-632 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

28-632: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, load_rating: 9.000 POUNDS NOMINAL LBS, coil_quantity: 13, inside_diameter: 0.178 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-148-3797, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
28-632
NSN: 5305-00-148-3797
NIINs: 001483797, 010353563, 013273396
FSC: 5305 — Screws
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating9.000 POUNDS NOMINAL LBS
coil_quantity13
inside_diameter0.178 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_solid_length0.550 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_length_under_load0.606 INCHES NOMINAL IN
spring_free_outside_diameter0.260 INCHES NOMINAL IN
material_document_and_classificationAMS 5673,COMP 17-7PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-148-3797
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 28-632 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.875 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.234 INCHES NOMINAL IN
FASTENER LENGTH1.875 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 3
L31781Reference document
Same NSN cross-reference
Reference document — Secondary reference
25774R1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CSH6-24-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 28-632?
28-632 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 28-632?
There are 3 known substitutes for 28-632: L31781, 25774R1, CSH6-24-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 28-632?
28-632 is cataloged in the U.S. Government catalog under NSN 5305-00-148-3797. This indicates validated use in U.S. government and defense supply chains.
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